Selecting data in SQL videos | SQL Queries Part 10 - Grouping and Aggregating Data

Posted by Andrew Gould on 27 June 2012

Learn how to group data and calculate aggregate statistics in Microsoft SQL Server queries. This video teaches you how to use the GROUP BY clause in a query to organise your data into groups, including how to group by multiple columns in the same query. We'll also show you how to make use of the aggregate functions to calculate values such as the total and average of a range of numbers, including how to apply totals and subtotals using the ROLLUP keyword.

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